Ruler



FIG. 1 is a perspective view of a ruler showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top view with the bottom view being a mirror image thereof; and,

FIG. 5 is a right side elevational view with the left side being a mirror image thereof.

The front of the ruler is transparent so as to allow the opaque rear surface thereof bearing rulings to be viewed from the front. 

The ornamental design for a ruler, as shown and described. 